6904959389 has 2 divisors, whose sum is σ = 6904959390. Its totient is φ = 6904959388.

The previous prime is 6904959361. The next prime is 6904959403. The reversal of 6904959389 is 9839594096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5612556889 + 1292402500 = 74917^2 + 35950^2 .

It is a cyclic number.

It is not a de Polignac number, because 6904959389 - 2¹² = 6904955293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6904959889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452479694 + 3452479695.

It is an arithmetic number, because the mean of its divisors is an integer number (3452479695).

Almost surely, 2^6904959389 is an apocalyptic number.

It is an amenable number.

6904959389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6904959389 is an equidigital number, since it uses as much as digits as its factorization.

6904959389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18895680, while the sum is 62.

The square root of 6904959389 is about 83096.0852808362. The cubic root of 6904959389 is about 1904.2342675586.

The spelling of 6904959389 in words is "six billion, nine hundred four million, nine hundred fifty-nine thousand, three hundred eighty-nine".